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Without Adding Find the Sum 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 - CBSE Class 8 - Mathematics

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Question

Without adding find the sum 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19

Solution

We know that the sum of first n odd natural numbers is n2.

Here, we have to find the sum of first ten odd natural numbers.

Therefore, 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = (10)2 = 100

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 to Current)
Chapter 6: Squares and Square Roots
Ex. 6.10 | Q: 7.2 | Page no. 96
Solution Without Adding Find the Sum 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 Concept: Some More Interesting Patterns.
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